The LA2026-C is a 2 mm diameter Plano-Convex Spherical Lens made from N-SF11 Schott glass, designed for use within the wavelength range of 1050-1700nm. This lens, available from Thorlabs, boasts an effective focal length (EFL) of 6mm and features a front and back coating of tho c bbar.
The lens's geometry includes a 0.8mm thickness at the edge and a 1mm thickness at the center. The front surface has a radius of curvature (R1) of 4.7mm, while the back surface has an infinite radius, indicating a flat surface. The lens's design is circular, and it does not have any inner or outer radii.
According to the vendor's website, the LA2026-C is currently in stock, making it readily available for your optical system needs. With its specified properties, this lens is suitable for various applications, particularly within the mentioned wavelength range.